The core Java API for building stream processing applications with Apache Flink.

This module contains extension points of the Table/SQL API. It allows for implementing user-defined functions, custom formats, etc.

This module contains the Table/SQL API for writing table programs that interact with other Flink APIs using the Java programming language.

Flink Clients

Flink : Test Utilities : Utils

This module connects Table/SQL API and runtime. It is responsible for translating and optimizing a table program into a Flink pipeline.

This module contains classes that are required by a task manager for execution of table programs.

Flink Streaming Scala

Flink : Connectors : Base

Flink Connector Kafka

Flink : Test Utilities : Connectors